Can-sealing machine.



H. CHRISTIANSEN & J. P GUPPEY.

CAN SEALING MACHINE.

APPLICATION FILED 00123.1913

Patented Dec. 5, 1916-.

1 SHEETSSHEET 1.

H. CHRISTIANSENdLJ. P.GUPPEY.

CAN SEALING MACHINE.

APPLICATION FILED 0CT.23.I913.

Patented Dec. 5, 1916.

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. HLCHRISTIANSEN & J. P. GUP PEY.

CAN SEALING MACHINE.

APPLICATION FILED 0CT.23. 1913.

'Lwfifi. Patented Dec. 5,1916.

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APPLICATION FILED OCT-23, 19H]. LQWFfi?1 Patented Dec. 5,1916.

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Patented Dec. 5, 1916.

-CAN SEALING MACHINE.

APPLICATION FILED ocnza. 1913.

H. CHRISTIANSEN & l. P. GUPPEY.

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H. CHRISTIANSEN & J. P. GUPPEY.

CAN SEALING MACHINE.

APPLICATION FILED'OCT.23.1913.

Patented Dec. 5, 1916.

J SHEETS-SHEET s.

H. CHRISTIANSEN & J. P. GUPPEY.

CAN SEALING MACHINE.

APPLICATION FILED 00123. 1913.

Patented Dec. 5,1916.

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HANS CHRISTIANSEN, OF BEDFORD, AND JOHN P. GUPPEY, OF BOSTON, MASSACHU-SETTS, AS$IGNORS, BY MESNE ASSIGNMENTS, TO THE BOVTERS CAN SEAL COMPANY,OF BOSTON, MASSACHUEzETTS, A CORPORATION OF MASSACHUSETTS.

CAN-SEALING MACHINE.

Specification of Letters Patent.

Patented Dec. 5, 1916.

Application filed October 23, 1913. Serial No. 796,962.

To all whom it may concern Be it known that we, HANS CHRIsTIANsnN, ofBedford, in the county of MiddleseX and State of Massachusetts, and JOHNP. GUP- IEY, of Boston, in the county of Suffolk, in said State, bothcitizens of the United States, have invented a new and usefulImprovement in Can-Sealing Machines, of which the following is a full,clear, and exact description, reference being had to the accom iianyingdrawings, forming a part of this specification, in explaining itsnature.

The present invention relates to a can sealing machine operating toapply a sealing strip to a can body and cover which presentlaterally-projecting edges overlapping one another and to which thesealing strip is applied for binding these edges together and therebyhermetically sealing the can. Such type of can is shown in LettersPatent of the Tnited States issued to John G. Bowers ()ctober 1, 1907,No. 867,239, and it is to the sealing of a can of this type that thepresent invention essentially pertains.

The special object of our invention is to i provide a machine that willnot only securely apply the strip to the overlapping edges of the canand cover, but will accomplish this effect with rapidity so that a largenumber of cans may be sealed within a relatively short time, which is aconsideration of the utmost importance.

The machine embodying our invention can best be seen and understood byreference to the drawings, in which- Figures 1 and 2 represent a plan ofthe machine. In this connection it should be understood that the machineshown is a twin machine consisting of duplicate parts operated from asingle source of power. It is accordingly for the purpose of expediencythat the complete machine is shown in two separate figures. Fig. 3 is aside elevation of a portion of the carrier and parts co operatingtherewith for bending and applying the strip. Figd is a side elevationof one of the die members or those which assist in holding the strip andapplying the same as will later be explained. Fig. 5 is a detail ofconstruction forming part of the mechanism shown in Figs. land 2. Figs.6 to 12,

inclusive, are plans of a portion of the carrier for the cans togetherwith other cooperating parts and are for the purpose of illustrating themanner in which the strip is initially applied to the can. Fig. 18 is afront elevation of a portion of the operating mechanism of the machine.Fig. lt is a side elevation of a portion of the operating mechanism ofthe machine. Fig. 15 is a view mainly in vertical section of a detail ofconstruction shown in Fig. 14. Fig. 16 is a longitudinal verticalsection of a clutch arrangement to which especial reference will laterbe made. Fig. 17 is a cross section on line 17-17 of Fig. 16. Fig. 18 isa cross section on the line 1818 of Fig. 16. Fig. 19 is a view in sideelevation of a detail of construction forming a part of the stripfeeding and forming mechanism to which reference will later be made.Figs. 20 and 21 are diagrammatic views of a cam arrangement whichassists in the operation of the machine as will later be explained. Fig.22 is a front elevation of a portion of the mechanism shown in Fig. 1-1.Fig. 23 is a plan of a portion of the mechanism shown in Fig. 22. Fig.2a is a plan in detail of a cutting mechanism, otherwise shown in Figs.22 and 23. Fig. 25 is a side elevation of a can to the sealing of whichthe present machine essentially pertains. 26 is a section of the canshown in Fig. 25, the view being a diagrammatic one showing the body ofthe can, cover and sealing strip as dissociated parts.

Referring to the drawings :In Figs. 25 and 26 a can is shown to thesealing of which the present machine essentially pertains and of which arepresents the body of the can having an upper flanged edge a a is thecover of the can which it will be observed is of suiiicient width tooverlap the flanged edge of the body thereof and rest thereon. a is thesealing strip which is to be applied to the flanged edge of the body ofthe can and cover for binding them together and hermetically sealing thecan. For convenience, the combined flanged body of the can and coverresting thereon will be here inafter described as a whole or unit, theflanged edge of the body of the can and edge of the cover restingthereon being referred to simply as a flanged edge, such expressionincluding those parts which are to be bound together by the sealingstrip. 1

represents the body or main supporting structure of the machine,comprising a base piece 2, a frame 3 and table 4%. As will be seen, theframe 3 is extended to rise above the table of the machine and bears apart of the operating mechanism, other parts being secured to the tableand other parts mounted upon the base.

In describing the various mechanisms, reference will first be made tothat mechanism which carries the cans and during the operation or travelof which the sealing strips are applied to the cans. This meehanismconsists of endlesscarriers 5 which pass over and around the table. Eachof these carriers comprises a pair'of sprocket chains 6 and 7respectively. In their passage over the table these chains run ingrooves 8 formed in the top of the table. The depth of these grooves issuch that the chains will pass just below the face of the table. Thechains pass around the table by extension over sprocket wheels 9 and 10,respectively. The sprocket wheels 9 are fixed I to an idler shaft 11turning within bearings 12 fixed t0 the forvard edge of the table.

30 The sprocket Wheels are fixed to a shaft 13 which turns withinbearings 14 at the rear edge of the table. The shaft 13 is apower-driven shaft and through it and the sprocket wheels 10 power isappliedto the respective carriers by which the same are operated to passover and around the table.

The. cans are held to be borne by the carriers by resting upon circularplates or disks'15, which are secured to the opposite links of therespective chains and are of a size to fit within the recesses left inthe bottomsof the cans as shown in Fig. 3. The cans also are supportedagainst displacement during the movement of the carriers by fingers 16which are secured to the rear edges of the plates on which the cans areresting and which extend upwardly to bear againstthe rear sides of thebodies of the cans. The travel of the carriers and cans is a progressiveand intermittent one, consisting of determinate steps of movement anddwells.

Before describing the operating parts of the machine in detail referencewill first be made to the manner in which the sealing strip is appliedto the can and to the parts which bear directly upon such application.One set only of these parts, or

those cooperating with one carrier, will be referred to as the other setcooperating with the other carrier is an exact duplicate. 18, 18 areopposing members of a die arranged upon the table just outside thechains 6 and '7 and along- 65 side the same. The members are supportedto have an open and closed position with relation to one another and forthis purpose are mounted upon guides 20 which are fixed to the table andlaid to extend at right angles to the line of travel of the carrier. Theform of these dies is as follows: On their interior sides or faces eachdie member is provided with a concavity substantially equal to one halfof the body of the can, the combined members when closed engaging theentire body of the can beneath the flanged edge thereof. Provision ismade for the overlap of this edge and the sealing strip applied theretoby an offset 21 cut in the heads of the respective die members (see Fig.4;) and providing an edge 22 against which the flanged edge of the canand sealing strip bears.

The die members are permitted to open a distance which only permits ofthe passage of the can between them as it is fed by the chain to enterthe chamber of the die or fed out of the same. In this connectionspecial attention is directed to the inside edges 24 of the respectivedie members, or those edges by which the can passes as it enters thechamber of the die. These edges are each provided with a groove 25through which the flanged edge of the can and sealinp strip appliedthereto are adapted to pass as the can enters the die and by means ofwhich the die members assist in applying the sealing strip to the can,as will later be explained. The respective edges 2% of the die membersare also cut in below the grooved portions thereof by incisions 26 toleave an opening of sufiicient size to contain the finger 16 when thedie is in a closed position engaging the can. The front sides or faces27 of the respective die members are also provided with horizontalgrooves 28 therein. These grooves lie in the same plane as the flangededge of the can when borne by the carrier. They are adapted to containthe Ushaped sealing strip (1, extended. to lie therein, the back portionof the sealing strip within the grooves 28 of the respective diemembers, with the forward flanged edge of the can contained to liewithin the groove of the sealing strip, the can accordingly togetherwith the two die members forming bearings for holding the strip inplace. \Vhen thus held, the sealing strip is centrally disposed withrelation to the can. In other words, the center of the strip iscoincident with the diametrical center of the can at the point againstwhich it is hearing and which is also at the longitudinal center of thecarrier. This position of the strip is defined by a stop 29 fixed to thetable,

and against which the end of the strip bears.

Cooperating with the respective die members is a press having a plungeror head 80. This head is arranged, as will later be explained, to passthrough a cross-head 31 fixed to the table of the machine over the dieand acting as a guide for the plunger. The adaptation of these parts isalso such that the plunger will enter the die when closed and cooperatewith the incised edge or edges 22 of the closed die members forassisting in the application of the sealing strip a to the flanged edgeof the can.

The operation of these parts for applying the sealing strip to a can isas follows: The initial position of the can, sealing strip and diemembers is that shown in Fig. 6 where it will be seen that the diemembers are in a closed position with the sealing strip contained withinthe grooved edge or edges 28 of the die, with the forward flanged edgeof the can bearing against the same as aforesaid. can are moved forward.a single step of movement. As the can is moved forward against thesealing strip the respective die members open with a simultaneousoutward movement permitting of the entry of the can between the edges 24thereof. As the can enters between these edges it will tend to bend thestrip around the flanged edge of the can substantially as shown in Fig.7, and which comprises the initial application of the strip to the can.It will. also be seen that as the can enters between the edges 24 theflanged edge of the can and sealing strip applied thereto will enter topass through the grooves 25 in the edges 24. The die members openoutwardly with a movement relatively corresponding with the forwardmovement of the can in order that the grooved edges 2 L thereof mayassist in applying the strip to the can by their bearing against thestrip. To assist in this application these edges 24 are preferably madecurved with an outward angular inclination in order that they mayproperly cooperate with the bent form of the strip during the time ofits initial application to the body of the can or until the can has sofar progressed that the strip has been applied to substantially one halfof the can. This position of the can is shown in Fig. 8 and it will beseen also, by reference to this figure, that the die members have beenmoved to a full open position. As the forward movement of the cancontinues the rear diametrical half thereof will then enter to passbetween the grooved drawing edges 24- of the respective die members.Thereupon the die members will move inwardly with a simultaneousmovement relatively corresponding with the movement of the can in orderthat the edges 24 of the die members may bear against the sealing stripand wrap the same around the rear flanged edge of the can, whichmovement continues until the parts have assumed a position substantiallyas shown in Fig. 9 and where it will be seen that the can has almostreached the dia-metrical center of "the die and the die Assuming nowthat the carrier and members are approaching a closed position. Theapplication of the sealing strip is also nearly completed. Provision isnow made for the overlapping of the sealing strip, for it will beunderstood that the ends of the strip when applied to the can overlapone another slightly or just enough to secure a tight joint. Themovement of the can and carrier still continues until the can hasreached a position at the diametrical center of the die. During thismovement of the can the die member 18 controlling the underlappingportion a of the strip, moves inwardly with the can for applying the enda of the strip thereto, and the movement thereof continues until the canhas reached the center of the die. The end a of the strip has thenbecome fully applied to the can and the parts have assumed a positionsubstantially as shown in Fig. 10. The die member 18 will then have aslight reverse movement and at the same time the die member 18 will bemoved inwardly to the limit of its closed position when it will operateto apply the end a of the sealing strip to the flanged edge of the can,which completes the initial operation of applying the strip to the can,

the parts then assuming a position substantially as shown in Fig. 11.Following this movement of the die member 18, the die member 18 will bemoved again inwardly to a closed position, when both die members willengage the body of the can, as shown in Fig. .12 with the flanged edgeof the can and sealing strip applied thereto overlapping and restingupon the edges 22 of the respective die members, which provide anannular bearing therefor. Following this movement, the plunger 30 of thepress will move downwardly into contact with the sealing strip andflanged edge of the can and pinch the sealing strip between the head andthe edge 22 of the die members and thereby compressing it onto theflange of the can hermetically sealing the can. Following this pinchingoperation the operation of the machine reverses the plunger or head.Thereupon the feed of the carrier and can or cans carried by it iscontinued another step. taneously with such movement the die members 18,18 open, permitting of the forward passage of the can to which the striphas been applied from between the same as another can is moved forwardto enter between the die members and the sealing strip becomes appliedthereto with the precise operation above explained.

The parts of the machine thus far referr d to have been those partswhich act directly upon the can for applying the sealing strip thereto.These parts have been described notonly in the light of theirconstruction but also of their operation in order that a properunderstanding may be had of the mechanisms controlling not only theseimulpartsbut also the sealing strips for forming and feeding it intoproper position preparatory to its initial application to the cans, 1Moreover, each step of movement of the carrier and cans borne by it isavailed of toefiect certain operations, each dwell to effect otheroperations. In other words, each period of dwell is availed of to efiectthe following operations forming the sealing strips and. feeding theminto a position just forward of a can and the respective die memberswherebv the strip may be wrapped around the can as the can is movedforward during the next step of movement. Each period of dwell is alsoavailed of to complete the final operation of the die members and toalso operate the press.

During each step of movement not only are the carriers operated to carrythe cans, but the die members are also operated to apply the sealingstrip thereto as outlined above, the entire mechanism for operating allthe parts deriving its power from a single sourcelof application.

Reference will first be made to the manner in which power is applied formoving the carriers and cans by successive steps.

with intermediate periods of dwell. 35 is a shaft which turns inbearings 36 arranged on the'frame of the machine above the table. Theshaft 35 lies above therespective carriers'and extends at right anglesto the respective lines of their travel. It lies also directly above therespective sets of die members 18, 18. Loosely mounted upon the shaft isan idler pulley 38 and also a driven pulley 39 fixed to a fiy wheel 40having a projecting hub 41. The respective pulleys and fly wheel areheld against longitudinal displacement on the shaft by a collar 4&2 onthe outer end, of the shaft and also by a sleeve 43 keyed to the shaftand presenting a shoulder 4.4. against which the end of the fly Wheelbears (see Fig. 16). Fixed to the hub 41 of the fly wheel is a gear 4C6having toothed engagement with a gear &7 fixed to a shaft 48 which turnsWithin bearings 49 secured to the frame of the machine. Carried by thegear 47 is a crank 50. This crank is in the nature of a yoke presentingarms in which is mounted a block 51 adjustable within the arms of thecrank in a radial direction toward or away from the axis of the gear457. The adjustable retention of the block 51 is provided for as shownin Fig. 15 where it will be seen that the body of the block fittingbetween the arms of the crank is provided with edges 52 which have anoverlapping bearing against the exterior faces of the respective arms.

Extending through the block-is a bolt 53 which extends also through aradial slot 54 cut in the body of the gear and is secured on the reverseside thereof by a nut 55 which tends to clamp the block against the armsof the crank, holding it securely in place in adjusted position withinth limits defined by the slot in the gear.

Pivotally secured to the block or rather to the bolt 53 by which it issecured, is a linker arm 56. This arm at its outer end connects with theturned end of a rack bar 57 arranged to slide within a guide 58supported by brackets 59 connecting with the frame and base portion ofthe machine. The disposition of the rack bar is such that the toothededge 61 thereof will have engagement with a gear (32 loosely mountedupon the end of the shaft 13. Alongside the gear 32 on the same shaft isa ratchet wheel (33 fixed to the shaft, the gear (32 lying between theratchet wheel and a. fixed collar 6i by which the gear ()2 is held inplace. Pivoted to the side of the gear (32 is a spring-pressed dog 66adapted to engage the teeth of the ratchet wheel during the forwardmovement of the gear and to pass idly over the same during the reversemovement of the gear.

In the operation of these parts just described as the gear 47 is rotatedfrom oil the fly wheel it operates as a crank through the link 56 toreciprocate the rack bar 57. the bar being moved downwardly by a halfrevolution of the gear 37 and in a reverse direction during theremaining half revolution of the gear. During the downward movement ofthe rack bar motion is applied to the gear 62 and through the dog 66thereon, to the ratchet wheel (")1 and shaft 13 which tends to move therespective carriers and cans through a single step of movement. In otherwords, the awangement of the parts is such that each forward step of thecarriers is commensurate with a half revolution of the gear &7 as thisgear is operated to impart a downward thrusting impulse to the rack bar57. During the remaining half revolution of the gear 47 and upward throwof the rack bar no motion will be imparted to the shaft 13. Consequentlythe movement of the carriers ceases providing a dwell until the nexthalf revolution of the gear 47 imparts a further downward movement tothe ack bar, when the carriers are moved though another step ofmovement, followed by a dwell as the rotation of the gear continues.

Reference will now be made to the strip feeding and forming mechanism inwhich connection attention is first directed to the guideways 68arranged to extend over the face of the table (see Figs. 1 and 2). Thefeed and forming mechanism will be described in the light of one ofthese guideways inasmuch as the mechanism is the same for both. Theguideway is slotted to receive a fiat main strip of metal which may bedrawn from a coil 69 or otherwise fed to the machine. 70, 71; 72, 73 arethe feed rolls, the engaging edges of which are adapted to receive thestrip between them and to feed the same forward through the guide. Theserolls are mounted upon shafts M which extend through the table, beingsuitably mounted to turn thereon. To the shaft of each of the respectivefeed rolls 71, 73 beneath the table, is fixed a gear 7 6 by which therespective sets of feed rolls may be positively driven.- Beyond the feedrolls are combined feed and forming rolls 79, 80. Of these rolls, theroll 7 9 is provided'with a substantially U-shaped groove, while theroll 80 has a corresponding curved peripheral edge which enters thegroove in the roll 7 9, the two rolls, in other words, cooperating withone another to bend the strip fed between them and impart to it asubstantial U shape in cross section which fits it for its initialapplication to the can. The rolls 7 9 and 80 are each mounted upon ashaft 81 which extends through the table with suitable bearings to turntherein. To the ends of the shafts 81 are fixed intermeshing gears 82through which the rolls are driven, power being applied for operatingthe rolls, as will later be explained. It will also be seen that therolls 79, 80 are located at the end of the guideway and in a positionwhere the sealing strip a fed by and between them may enter between theflanged edge of a can and the die members 18, 18 to lie within thegroove 28 formed therein as aforesaid preparatory to its application toa can by the advance movement thereof on the carrier, according to theoperation described above. During each dwell of the carriers and cansthe feed rolls are positively driven to feed the main strip a distanceprecisely equal to the length of the sealing strip a this depending ofcourse upon the size of the can.

Between the two sets of feed rolls 70, 71; 72, 7 3 is located a cuttingmechanism which operates to cut the main strip into proper lengths. Thedisposition and arrangement of the feed rolls and that of the combinedfeed and forming rolls in their relationship to one another and to thecutting mechanism and main strip are otherwise such that during eachdwell of the carriers and cans and prior to the severance of the sealingstrip, the main strip will be fed forward by the combined sets of feedrolls to a position where the forward end of the main strip will liejust back of the forming rolls 79, 80 and about to enter these rolls.The strip is then severed by the cutting mechanism which operates at theend of the feed movement and leaves a severed strip reaching from thejaws of the cutting mechanism to a point just back of the feed andforming rolls 79, 80, as aforesaid.

During the next period of dwell the combined sets of feed rolls willoperate to feed the main strip a distance equal to the length of thesevered strip or sealing strip a The severed strip will at the sametime, be advanced by the feed rolls 70, 71 which are located beyond thecutting mechanism, and fed into the combined feed and forming rolls.These rolls will then operate to feed the severed strip into the groove28 of the respective die members whereby it may lie between thesemembers and the forward edge of the can.

The proper endwise position of the strip is defined by the stop 29against which the strip is fed out of the feed and forming rolls 79, 80.It will accordingly be seen that the combined feed and forming rolls atone end and the stop at the other end define the proper and preciseendwise disposition of the sealing strip in its relation to the can,holding it, in other words, centrally disposed with relation thereto.

The combined sets of feed. rolls 70, 71; 72, 73 are driven as follows:Fixed to the shaft 48 and turning in the same time as the gear 4:? is asprocket wheel 85. Connecting with this wheel is a sprocket chain 86which connects with a sprocket wheel 87 fixed to a shaft 88 journaled toturn in hangers 89 fixed to the base portion of the machine, beneath thetable. The shaft 88 bears upon its end fixed thereto a gear 91 (see Fig.14:). This gear meshes with a gear 92 mounted to turn idly upon a stud93 fixed to the base structure of the machine. Projecting from the sideof the gear 92 is a pin 94 which engages a slotted lever 95 by enteringthe slot 96 therein. This lever is pivoted to a stud 98 fixed to thebase portion of the machine at a point below the gear 92 and projectsupwardly some distance above this gear, the adaptation and arrangementof the parts being such that as the gear 92 is rotated it will operateas a crank to reciprocate the lever 95 with a forward. and backwardmovement. At its upper end the lever 95 pivotally connects with a pin 99on the end. of a rack bar 100 for imparting a longitudinal forward andreturn movement thereto. This rack bar is horizontally disposed andmounted to slide within a bracket 10,1. fixed to the base structure ofthe machine. The toothed edge of this rack bar is in engagement with agear 102 which is mounted to turn idly upon a stud 103 fixed to theunder side of the table of the machine. The gear 102 has engagement withan idler gear 10-1 mounted upon a shaft or stud 105 fixed to andprojecting from the under side of the table, the gear being held inplace by a collar 10G upon the end of the shaft (see Fig. 22). Mountedidly upon the same shaft is a gear 108 having fixed to it a ratchetwheel 109 which lies between the gears 10-1 and 108 and like them turnsidly upon the shaft 105. Pivoted to the side of the gear 104 is aspring-pressed pawl ordog 110 which engages the toothed edge of theratchet wheel 109 for rotating this idly over the ratchet wheel as thegear 104 isturned in a reverse direction. The gear i.08 is' a relativelylarge gear, the toothed edges thereof engaging both of the gear-s76 ofthe respective sets of feed rolls as the gear 108 is turned. The size,disposition and arrangement of the parts is also such that thegear 108will be rotated for operating the feed rolls only during the upward halfrevolution of the gear 47, or, in other words, during that halfrevolution of the gear 47 when the crank thereon is impartmg an upwarddrawing movement to the V rack bar 57, which defines the dwell of thecarriers and cans. I

It will be observed that the sprocket wheels 85 and 87 are of the samesize, the shafts 48 and 88 rotating in the same time. Accordingly, thegears 47 and 91 will have the same time period of revolution as has alsothe gear 92 which is driven by the gear 91, the two gears being of thesame size. The gear 92 having therefore the same time revolution as thegear 47, will operate through the lever 95 to impart to the rack bar 100a forward and reverse movement, which is exactly in time with a fullrevolution of the gear 47. The forward movement of the rack bar 100,when it is operating through the connecting mechanism to 7 drive thefeed rolls, is during that half revolution of the gear 47 when it isimparting no motion to the carriers and cans, or, in

other Words, during the dwell of the carriers and 'cans. The reversemovement of the rack bar 100,. or return to its initial position,

is during the other half revolution of the gear 47, or whlle 1t isoperating to move the carriers and cans through a single step ofmovement, the rack bar 100 during this period imparting no movementthrough the connecting mechanism to the feed rolls.

"The combined feed and forming rolls 79, 80 are operated simultaneouslywith the feed rolls 70, 71; 72, 7 8 and by the same mechanism thatoperates the feed rolls. Connection is made as follows: Arranged uponthe end of the shaft 74 of the feed roll 71, beneaththe table, is asprocket wheel 112. Arranged also upon the end of the shaft 81 ofthecombined feed and forming roll 80 beneath the table, is a sprocket wheel11.3.

These sprocket wheelsare connected by a sprocket chain 114. By means ofthese connections motion applied for operating the feed rolls will alsooperate the combined feed and forming rolls through the intermeshinggears 82 arranged upon the respective shafts 81 thereof, as aforesaid,all

. nism after the feed. -Provision is accordingly made whereby thecutting mechanism maybe operated by the rack bar 1.00 at the end of itsreturn stroke after the forward or feeding movement thereof.

The cutting mechanism comprises fixed and movable jaws 110, 117. Thesejaws are mounted upon a holder 118 fixed to the table of the machine andthrough which the strip is fed. 01 these jaws the jaw 110 is fixed tothe holder, the cutting edge thereof lying just adjacent one side of thestrip.

The movable jaw 117 projects through the holder on the other side of thestrip and is slidably mounted therein whereby the cutting edge thereofmay properly cooperate withthe cutting edge of the jaw 116 as the jaw117 is moved inwardly for severing the strip. Pivotally secured to theend of the jaw 117 is a lever 119 which extends through the table and isfulcrumed to a bracket 120 secured to the under side of the table. Thislever is tensionally retained by a spring 121 whereby the jaw 117controlled by it may occupy a normal operative position, or positionwhere the cutting edge thereof will lie just adjacent the strip inposition for severing it as the lever 119 is turned and the cutting jaw117 moved inwardly across the 7 line of the strip. A stop 122 definesthe normal position of the lever 119 and against which it is held by thespring. Projecting from the end of the lever 119 is an arm 123 whichlies within the path of the rack bar 100 whereby it may be struck by theend of the rack bar at the termination of its reverse movement, thelever 119 being turned thereby, which operates the jaw 117 to cut thestrip.

Referring now to the mechanism for operating the members 18, 18 of thedie, which members assist in applying the sealing strip to the can asaforesaid: Pivotally connecting with the rear ends of each of themembers 18, 18 are cam levers 125. These levers extend downwardlythrough the table and are pivoted respectively at points 120 to afixture 127 arranged below the table and above the shaft 88. The levers125 are operated for imparting movement to the respective die members bymeans of a cam 128 having slots 129, 130 therein in which the icharacter of these slots is illustrated diagrammatically in Figs. 20 and21 of which Fig. 20 shows the form of slots 129 in the cam which controlthe operation of the die members 18, while in Fig. 21 is illustrated theform of slots 180 which control the operation of the die members 18.Both of the slots 129, 130 are those by which the cam 128 operates tocontrol the movements and positions of the die members during a singlerevolution of the cam. Since the cam has the same time revolution as thegear 17, it will accordingly during a single revolution control themovements and positions of the die members during each step of movementof the carriers and cans and also during the dwell thereof followingeach step of movement.

Referring to Figs. 20 and 21, where is indicated the form of therespective slots 129, 130, the portions 1:29, 130 are those which enablethe cam to impart an outward movement to the die members at the beginning of the feed and which continues until the respective members havebeen moved to a full open position, as shown in Fig. 8. 129 130 arethose portions of the slots which enable the cam to impart thesucceeding inward movement to the die members and which continues untilthe cam has moved the die member 18 to a full closed position and themember 18 to one approaching a closed position as shown in Fig. 10 thusproviding for the overlapping ends of the strip, the lag in the movementof the member 18 being provided for by the portion 130 in the slot 130.

The movements of the die members thus far effected have been during thathalf revo lution of the gear 47 and cam 128 when the gear 47 isoperating to move the carriers and cans through a single step ofmovement, the portions of the slots thus far referred to accordinglyoccupying one half of the peripheral surface of the cam. The portions ofthe slots now to be mentioned are those occupying the other half of theperipheral surface of the cam and by which the cam controls theoperation of the die members during the remaining half revolution of thegear 47, when it is imparting no movement to the carriers and cans, orduring the dwell. thereof. The portions 129 and 180 of the respectiveslots enable the cam to impart an outward movement to the die member 18and an inward movement to the member 18 when the member 18 assumes a.full closed position, both members then appearing as shown in Fig. 11.The combined portions 129 and 129 of the slot 129 and the portion 180 ofthe slot 130 then enable the cam to move the die member 18 inwardly to afull closed position, both die members then being fully closed andengaging the can, in which position they remain during the operation ofthe press and until. the gear 17 and cam have completed their revolutionand the feeding operation of the carriers and cans again begins.

The press or presses which operate to pinch. the sealing strip onto theflange of the can, are operated directly off the shaft For this purposethe shaft 35 is bent or otherwise formed to provide cranks 133.Connecting with the shaft at the points of these cranks are crank arms134% which connect with the plungers 30 of the respective pressesthrough interposed link connections 135. The connections 135 arepivotally secured to the respective plungers in order to compensate forthe motion of the crank. Tn order that the plungers may be adjusted withrelation to their operating cranks the shaft 35 and connections 135 areadjustably secured to the respective crank arms 134 by means ofadjusting nuts 186 which connect.

the respective arms and link connections by engaging right and leftthreads out upon the adjacent ends of these parts.

As above described, the presses are oper ated only during the dwell ofthe carriers and cans after the sealing strip has been ap plied to thecan and the die members have both been brought into engagementtherewith. The presses are operated at this time by the rotation of theshaft Provision is made for rotating this shaft directly from the flywheel through a clutch engagement as follows: By reference to Fig. 16 itwill be seen that the projecting hub 11 of the fly wheel partly overlapsthe sleeve 48 fixed to the shaft 35. Carried by the sleeve 43 is a pin188. This pin extends parallel with the shaft 35 and in the plane orline of the joint 139 between the hub and sleeve. The joint 139 isprovided with a hole or socket 140 for receiving the end 1 11 of the pinwhich projects into the socket. The end 14-1 of the pin, however, whichextends into the socket 110, is made semi-circular in cross section sothat it may be contained wholly within the sleeve when the pin is turnedinto what may be termed an inoperative position. The hub of the flywheel will then rotate idly within the sleeve and impart no motion tothe shaft 35. When the pin is turned into what may be termed an engagingposition the semi-circular end 1-11 thereof turning within its socket,will cross the line of the joint between the hub and sleeve and form aconnecting link between these parts, and they will be connected torotate in unison. In other words, when the pin is in its engagingposition the shaft 35 will be rotated directly from off the fly wheel.

The pin 138 is controlled in the following manner: The end of the pin,it will be observed by reference to Fig. 16, projects beyond: the outerend of the sleeve 43 and is provided with a turned end 142 forming alever for turningthe pin. The engaging 1 and disengaging positions ofthe pin 138 are determined by the stops 143, 144, respectively, on-theend of the sleeve. The pin is .normally held in an engaging position18). vPivotallysecured to the. frame ofthe *machine in a positionadjacent the turned end of the pin, is alever 147. This lever isprovided with a'shoulder or edge 148. The disposition and arrangement ofthe lever are such that as the shaft 35 is rotated (assuming the partsto be in clutch engagement'with one another) the turned end 142 ofthepin willengage the shoulder 148 on' the lever and be turned therebyagainst the tension of the spring 145 into an inoperative position,thereby releasing the clutch.

Such position is defined by a stop 150 located beneath the lever andfixed to the frame of the machine. The lever is held yieldingly againstthis stop in its normal operative position by means of a spring 151connecting with the frame of the machine.

Projecting from the side of the lever 147 is a stud 153. Projecting alsofrom the side of the gear 47 adjacent the peripheral edge thereof, is astud 154. The disposition and arrangement of these respective studs aresuch that as the gear 47 is rotated, the stud 154 carried by it willengage the stud 153 on the lever to pass under the same and thereby liftthe lever into a disengaging position. The shoulder 148 on the leverwill then no longer bear against the turned end 142 of the pm 138 andthe pin will be drawn by the spring 145 into engaging position, makingclutch engagement between the hub 41 of the fly wheel and the shaft 35.

The disposition of the stud 154 on the gear 47 is such that. this studwill engage the stud 153 on the lever 147 and raise this lever into adisengaging position for throwing in the clutch precisely at thecompletion of that half revolution of the gear 47 when it is operatingto throw down the rack bar '57 and move the carrlers and cans through asingle step, or, in other words, at the commencement of that halfrevolution of the gear 47 which defines the dwell of the carriers andcans. Moreover, the clutch engagement will" continue during only asingle revolution of the shaft 35, for after the stud 154 upon the gear47 has passed from beneath the stud 153 on the lever 147 the lever willreturnto its normal engaging position and'acc'ordingly, will engage theturned end 1420f the pin 138at the completion of a single rotation ofthe shaft 35, thereby V throwing the pin into a disengaging position andreleasing the clutch,

The complete rotation of the shaft 35 is commensurate with a halfrevolution of the gear 47. The reason for this is that the gear 46 whichrotates in the same time as the fly wheel and shaft 35 and from offwhich the gear 47 is rotated has a ratio of 2:1 with respect to the gear47. It will accordingly be seen that the rotation of the shaft 35 andoperation of the presses will be completed within that half revolutionof the gear 47 when it is imparting no movement to feed the carriers andcans, or during the dwell thereof.

It will further be understood that in the operation of the machine thecans to be sealed with covers thereon are successively placed upon thecarriers, either by hand or otherwise, to be fed forward by the carriersand the sealing strips applied thereto. After the application of thestrips the cans are borne forward by the carriers and fall therefrominto any suitable chute or receptacle (not shown) as the carriers turndownwardly around the rear edge of the table.

It is apparent that the construction of the machine hereinbeforedescribed may be varied without departing from the essential principlesinvolved.

. hat we claim as our invention is:-

1. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movement,movable strip holding members between which the can passes as it isborne by said carrier during the advance movement thereof whereby astrip held by said members in the path of said laterally-projecting andoverlapping edges of the can body and cover may become bent and appliedto said overlapping edges around a portion of said can during theadvance movement thereof on said carrier, and means for operating saidmembers to engage and assist in the bending of said strip and completethe wrapping thereof around said overlapping edges.

2.. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movement,movable strip holding members between which the can passes as it isborne by said carrier during the advance movement thereof whereby astrip held by said members in the path of said laterally-projecting andoverlapping edges of the can body and cover may become bent and appliedto said overlapping edges around a portion of said can during theadvance movement thereof on said carrier, and means for producing arelative progressive movement between said carrier and strip holdingmembers, whereby said can may be moved to pass between said members andsaid members follow around the overlapping edges of said can body andcover and assist in the application of the strip thereto as the can isborne by the carrier to pass between the members.

3. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movementwith intermittent periods of dwell, movable strip holding membersoppositely arranged and between which the can passes as it is borne bysaid carrier during the advance movement thereof whereby a strip held bysaid members in the path of the laterally-projecting and overlappingedges of the can body and cover may become bent by the operation of saidmembers and applied to said overlapping edges around a portion of saidcan during the advance movement of said carrier, and means forrelatively operating said carrier and strip holding members whereby acan may be borne to pass between said members and the sealing strip bentand applied to said overlapping edges around a portion thereof by theoperation of said members during the advance movement of the carrier,and said members complete their operation for applying the sealing stripto the can during the following dwell of the carrier.

at. A can sealing machine for applying a sealing strip to the laterallyprojecting and overlapping edges of a can body and cover, the samecomprising a carrier for the cans having a progressive movement withintermittent periods of dwell, movable strip holding members oppositelyarranged and between which the can passes as it is borne by said carrierduring the advance move ment thereof whereby a strip held by saidmembers in the path of said laterally-projecting and overlapping edgesof the can body and cover may become bent by the advance movement of thecan and applied by the operation of said members to said overlappingedges around a portion of the can during the advance movement of thecarrier, and means for producing a relative movement between saidcarrier and strip holding members whereby said can may be moved to passbetween said members for bending said strip and said members followaround said overlapping edges for applying the sealing strip theretoaround a portion of the can during the advance movement of the carrier,and said members complete their operation of applying the sealing stripto said overlapping edges during the following dwell of the carrier.

5. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for mentbetween said carrier and memberswhereby said carrier may be moved to carry the can between said membersand said members be simultaneously operated to engage said sealing stripand follow around said overlapping edges for applying the sealing stripthereto around a portion of the can during the advance movement of thecarrier and said members then operate with a variable movement duringthe following dwell of the carrier for applying the ends of the sealingstrip to said overlapping edges.

6. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movement,movable strip holding members between which the can passes as it isborne by said carrier during the advance movement thereof whereby astrip held by said members in the path of said laterally-projecting andoverlapping edges of the can body and cover may become bent around saidoverlapping edges, and which members by the movement thereof assist inbending and applying said strip to said overlapping edges, a press forpinching said strip onto said overlapping edges after its initialapplication thereto, and means for operating said carrier, holding andstrip applying members and press with a proper relative sequence ofoperation.

7. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of acan body and cover, thesame comprising a carrier for the cans having a progressive movement,movable strip holding and applying members between which the can passesas it is borne by said carrier during the advance movement thereofwhereby the strip held by said members in the path of saidlaterally-projecting and overlapping edges of the can body and cover maybecome bent around said overlapping edges, and which members by themovement thereof assist in bending and applying said strip to saidoverlapping edges, said members providing also an edge against whichsaid strip may "bear after the initial application thereof to the can, apress cooperating with said "members for pinching said strip onto saidoverlapping edges after the initial application thereof asaforesaid, andmeans for cover, the same comprising a carrier for the cans having aprogressive movement,

movable strip holding and applying members between which the can passesas it 1s borne by said carrier during the advance movement thereofwhereby a strip held by said members in the path of saidlaterallyprojecting and overlapping edges of the can body and cover maybecome bent around said overlapping edges, and which members by themovement thereof assist in bending and applying said strip to saidoverlapping edges, a feeding mechanism for feeding the strips to saidstrip holding and applying members to lie between the same and the canin the path of said can during the advance movement thereof, and meanswhereby said feeding mechanism, carrier and strip holding and applyingmembers may operate with a proper relative sequence of operation.

9. A can sealing machine for applying a sealing strip to thelaterally-projecting and; overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movement,

movable strip holding and applying members between which the can passesas it is borne by said carrier during the advance movement thereofwhereby a strip held by saidmembers in the path of saidlaterallyprojecting and overlapping edges of the can body and cover maybecome bent around said overlapping edges, and which members by themovement thereof assist in bending and applying said strip to saidoverlapping edges, a press for pinching said strip onto said overlappingedges after its initial application thereto, and feed mechanism' forfeeding the strips to said'strip holding and applying members to liebetween the same and the can in the path of said can during the advancemovement thereof, and means foroperating said strip feeding mechanism,carrier and movable strip holding and applying members with a properrelative sequence of operation.

10. A can sealing 'machine. for applying a sealing strip to thelaterally-projecting and overlapping edges of acan body and cover, thesame comprising a carrier for the cans having a progressive movementwith intermittent periods ofdwell, movable strip holding and applyingmembers between which the can passes as it is borne by said carrierduring the advance movement thereof whereby a strip held by said membersin the path of said laterally-projecting and overlapping edges of thecan body and cover may become bent around said overlapping edges, andwhich members by the movement thereof assist in bending and applyingsaid strip to said overlapping edges, a press for pinching said striponto said overlapping edges after its initial application thereto, astrip feeding mechanism for feeding the strips to lie between said stripholding and applying members and the can, whereby the strip may beapplied thereto as aforesaid, means for progressively moving saidcarrier with intermittent periods of dwell, means for operating saidstrip feeding mechanism during the dwell of said carrier, means foroperating said strip holding and applying members with. a movementrelative to the movement of said carrier and position of the can bornethereby, and means for operating said press during the dwell of thecarlien 11. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movementwith intermittent periods of dwell, movable strip holding and applyingmembers between which the can passes as it is borne by said carrierduring the advance movement there of whereby a strip held by saidmembers in the path of the laterally-projecting and overlapping edges ofthe can body and cover may become bent around said overlapping edgesduring the advance movement of the can, and which members by theoperation thereof assist in bending and applying said strip to saidoverlapping edges, a strip forming and feeding mechanism adapted to formthe strips and feed the same to said strip holding and applying membersto lie between the same and the overlapping edges of the can body andcover whereby the strip mayvbecome bent around the can during theadvance movement thereof as aforesaid, means for operating said carrierto have a progressive movement with intermittent pcriods of dwell, meansfor operating said strip forming and feeding mechanism whereby a stripmay be fed to the strip holding and applying members during the dwell ofsaid carrier, and means for operating said strip holding and applyingmembers with a movement relative to that of said carrier and position ofthe can borne by it.

12. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movementwith intermittent periods of dwell, movable strip holding and applyingmembers between which the can passes as it is borne by the carrierduring the advance movement thereof whereby a strip held by said membersin the path of said laterally-projecting and overlapping edges of thecan body and cover may become bent around said overlapping edges, andwhich members by the operation thereof assist in bending and applyingsaid strip to said overlapping edges, a press for pinching said striponto said overlapping edges after its initial application thereto, astrip feeding mechanism adapted to feed the strip to lie between saidstrip holding and applying members and the overlapping edges of the canbody and cover whereby the strip may be applied thereto as aforesaidupon the advance movement of the can, means for operating said carrierwith a progressive movement and intermittent periods of dwell, means foroperating said strip feeding mechanism during the dwell of the carrier,means for simultaneously operating said strip holding and applyingmembers during the advance movement of the carrier and with a movementrelative thereto and the movement of the strip holding and applyingmembers being completed during the dwell of said carrier, and means foroperating said press during the dwell of said carrier.

13. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movementwith intermittent periods of dwell, movable strip holding and applyingmembers between which the can passes as it is borne by said carrierduring the advance movement there of whereby a strip held by saidmembers in the path of said laterally-projecting and overlapping edgesof the can body and cover may become bent around said overlapping edges,and which members by the movement thereof assist in bending and applyingsaid strip to said overlapping edges, said members presenting also anedge against which said strip may bear after its initial application tosaid overlapping edges, a press cooperating with said members forpinching the strip onto said overlapping edges after its initialapplication thereto as aforesaid, a feed mechanism for feeding a stripto lie between said strip holding and applying members and theoverlapping edges of the can body and cover whereby it may be applied tosaid overlapping edges upon the advance movement of the can, and meansfor operating said strip feeding mechanism, carrier, strip holding andapplying members and press with a proper relative sequence of operation.

1%. A can sealing machine for applying a sealing strip to thelaterally-projecting and Ill 1L overlapping edges of a can body andcover, the same comprising a carrier for the cans having a progressivemovement with intermittent periods of dwell, movable strip holding andapplying members between which the can pases as it is borne by thecarrier during the advace movement thereof whereby a strip held by saidmembers in the path of said laterally-projecting and overlapping edgesof the can body and cover may become bent around said overlapping edges,and which members by the operation thereof assist in bending andapplying said strip to said overlapping edges, a primarycontinuously-operating driving mechanism, and means for operating saidcarrier from ofl' said primary driving mechanism to have a progressivemovement with intermittent periods of dwell and for simultaneouslyimparting a relative movement to said strip holding and applying memberswhereby the same may be operated to follow around the overlapping edgesof the can body and cover and complete their operation of applying asealing strip thereto during the dwell of the carrier following anadvance movement thereof.

15. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movementwith intermittent periods of dwell, movable strip holding and applyingmembers between which the can passes as it is borne by the carrierduring the advance movement thereof whereby a strip held by said membersin the path of said laterally-projecting and overlapping edges of thecan body and cover may become bent around said overlapping edges, andwhich members by the operation thereof assist in bending and applyingsaid strip to said overlapping edges, a press for pinching said striponto said overlapping edges after its initial application thereto, aprimary continuously-operating driving. mechanism, acontinuously-operating means for operating said carrier from off saiddriving mechanism to have a progressive movement with intermittentperiods of dwell, a continuously-operating means driven by said primarydriving mechanism for imparting movement to said strip holding andapplying members relative to that of said carrier and can borne by it.

16. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier for the cans having a progressive movementwith intermittent periods of dwell, movable strip holding and applyingmembers between which the can passes as it is borne by the carrierduring the advance movement thereof whereby a strip held by said memherein the path of said laterally-projecting and overlapping edges of thecan body and cover may become bent around said overlapping edges, andwhich members by the operation thereof assist in bending and applyingsaid strip to said overlapping edges, a press for pinching said striponto said overlapping edges after its initial applica tion thereto,continuously operating primary driving mechanism, acontinuouslyoperating means whereby said carrier may be progressivelymoved with intermittent periods of dwell and said strip holding andapplying members be operated to have a movement relative to that of saidcarrier and can borne by it, means whereby said press may be operatedfrom said primary driving mechanism during the dwell of said carrier,and means for feeding said strip duringthe dwell of said carrier.

17. A can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thesame comprising a carrier having a progressive movement withintermittent periods of dwell, movable strip holding and applyingmembers between which the can passes as it is borne by the carrierduring the advance movement thereof whereby the strip held by saidmembers in the path of said laterally-projecting and overlapping edgesof the can body and cover may become bent around said overlapping edges,and which members by the operation thereof assist in bending andapplying the strip to said edges, a press cooperating with said membersfor pinching the strip onto said overlapping edges after its initialapplication thereto, a strip feeding mechanism,

a continuously-operating primary driving mechanism, means whereby saidcarrier may be moved from said primary driving mechanism to have aprogressive movement with intermittent periods of dwell, means forcoincidently operating said strip holding and applying members to have amovement relative to that of said carrier and can borne by it, means'forintermittently operating said press from off said primary drivingmechanism during the dwell of said carrier, and means for operating saidfeeding mechanism during the dwell of said carrier.

18. In a can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thecombination with a table, of a carrier for the cans adapted to pass oversaid table, movable strip holding and applying members oppositelyarranged upon said table and between which the carrier and cans borne byit are adapted to pass, means for operating said carrier, and means foroperating said strip holding and applying members.

19. In a can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thecombination with a carrier for the cans, movable strip holding andapplying members and press, of a primary driving mechanism, means foroperating said carrier from said driving mechanism to have a progressiveand intermittent movement, a cam shaft and connecting mechanism foroperating said movable strip holding and applying members, a crank shaftfor operating said press, means for continuously operating said camshaft from said primary driving mechanism, and means whereby said crankshaft may be operated from said primary driving mechanism only duringthe dwell of the carrier.

20. In a can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thecombination with a carrier for the cans, movable strip holding andapplying members and a press, of a strip feeding mechanism, a cam shaftand connecting mechanism for operating said movable strip holding andapplying members, a crank shaft for operating said press, a primarydriving mechanism, means whereby said carrier may be operated from saiddriving mechanism with a progressive and intermittent movement, meansfor continuously turning said cam shaft from said primary drivingmechanism, means whereby said feeding mechanism may be operated fromsaid cam shaft during the dwell of the carrier, and means whereby saidcrank shaft may be operated only during the dwell of the carrier.

21. In a can sealing machine for applying a sealing strip to thelaterally-projecting and overlapping edges of a can body and cover, thecombination with a table, of a carrier for the cans having a progressiveand intermittent movement over and around said table, movable stripholding and applying members arranged upon said table, a

press cooperating with said members, a feeding mechanism, a primarydriving mechanism, means whereby said carrier may be operated from saiddriving mechanism with a progressive movement having intermittentperiods of dwell, means for operating said strip holding and applyingmembers from said driving mechanism, the same comprising in part a cam,means for operating said feeding mechanism from, said primary drivingmechanism during the dwell of the carrier, and means whereby said pressmay be operated from said primary driving mechanism during the dwell ofthe carrier.

22. In a can sealing machine of the type specified, a carrier having aprogressive movement with intermittent periods of dwell, movable stripapplying and die forming members oppositely arranged and adapted toembrace the can, said members presenting also an edge against Which thesealing strip may bear after its initial application to the can, a pressmember cooperating with said die members to pinch the sealing strip ontothe can, and means for operating said movable press member during thedwell of the carrier.

HANS CHRISTIANSEN. JOHN P. GUPPEY.

Witnesses JOHN E. R. HAYES, M. E. FLAHERTY.

Gopies or this patent may be obtained for five cents each, by addressingthe Commissioner of JPatents, Washington, D. G.

